Rotating finned tubes

FIG. 11-59 Rotating shells as indirect heat-transfer equipment, a) Plain. Courtesy of BSP Corp.) (b) Flighted. Courtesy of BSP Corp.) (c) Tubed, d) Deep-finned type. Courtesy of Link-Belt Co.)... 

With the SDC chamber rotated 90 degrees from its normal vertical orientation, simulated rockets were loaded so as to randomly orient the tubes. Three tests were performed. In the first test, 30 uncut tubes were fed into and removed from the chamber. In the second test, 20 cut tubes with attached parts simulating fins were fed and emptied. Finally, all 50 tubes, both cut and uncut, were fed and emptied. In all three tests the tubes... 

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